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Oracle 1Z0-1089-20 - Questions & Answers

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Question 1
Multiple choice

Which three Hadoop distributions are supported on Oracle Cloud Infrastructure (OCI)?

A.

Pivotal EMC

B.

Apache Hadoop

C.

Hortonworks

D.

MapR

E.

Cloudera

Question 2
Single choice

You have two different workloads, workload 1 does not scale very well (~100 cores) and requires a very high memory bandwidth, and a workload 2 that Is compute bound and IO intensive.

Which Instances should you select?

A.

1: BM.HPC2.36 2: BM.Standard.2.52

B.

1: BM.Standard.E3.128 2: BM.HPC2.36

C.

1: BM.HPC2.36 2: BM.Standard.E3-128

D.

1: BM.Standard-2.52 2: BM.HPC2-36

Question 3
Single choice

What does the Terasort phase of the Terasort benchmark do?

A.

It maps and reduces source data in a parallel manner, leveraging data locality to minimize network transfer.

B.

It randomly maps source data and reduces output to a smaller data set,

C.

It maps and reduces one terabyte of data into a smaller data set.

D.

It randomly maps source data and increases output to a bigger data set.

Question 4
Single choice

On Oracle Cloud Infrastructure (OCI), a customer wants to build a 3TB fllesystem for high throughput-oriented workloads.

Which action provides the highest IO throughput using OCI block volumes for storage?

A.

Attach one Block volume of 3TB volume size and use fllesystem Block size of 256K or lower.

B.

Attach one Block volume of 3TB volume size and use fllesystem Block size of 1M or higher.

C.

Attach three Block volumes of 1TB each and use fllesystem Block size of 256K or lower.

D.

Attach three Block volumes of 1TB each and use filesystem Block size of 1M or higher.

Question 5
Single choice

You've spun up a GPU instance with the standard OEL linage (GPU version) from the console network on Oracle Cloud Infrastructure (OCI).

What action do you need to do In order to be able to visualize your desktop remotely?

A.

Install Open MPl for distributed GPU access.

B.

Install a desktop and a VNC server.

C.

Install NVIDIA drivers.

D.

Open a remote serial console.

Question 6
Single choice

A two node clustered/parallel filesystem built using Baremetal Compute shape (BM.Standard2.52) and Block Volume Storage delivers maximum sustained aggregate IO throughput of 5GB/s for read and write, while storing a single copy of the data (replica=l) in filesystem.

What will be the maximum sustained aggregate IO throughput for read and write, when two copies of the data (replica=2) are stored in filesystem for High Availability?

A.

5GB/s for both (read and write)

B.

2.5GB/s for read and 5GB/s for write

C.

2.5GB/S for write and 5GB/s for read

D.

2.5GB/s for both (read and write)

Question 7
Single choice

Oracle Cloud infrastructure (OCI) Block Volume Storage supports sharing a Block Volume among multiple compute Instances in read/write or read only shareable mode.

Which two file systems should be used to allow multiple compute Instances to read/write data concurrently without any data loss?

A.

Distributed File Systems like Gluster, OCFS2, GFS2

B.

Linux File Systems like XFS, EXT4, EXT3, etc.

C.

Network File System (NFS)

D.

Parallel File Systems like Lustre, IBM Spectrum Scale(GPFS), BeeGFS, etc.

Question 8
Single choice

You are building a RDMA cluster on a private network with 10000 cores. What CIDR will work in the VCN:
172.16.0.0/16?

A.

172.16.32.0/23

B.

10.0.1.0/23

C.

172.16.32,0/16

D.

10.0.1.0/24

Question 9
Multiple choice

What are the three components for configuring autoscallng on Oracle Cloud Infrastructure (OCI)?

A.

Monitoring Is enabled on the instances in the instance pool.

B.

The instance pool supports the maximum number of instances that you want to scale to.

C.

You have an instance pool.

D.

You have a load balancer.

E.

You have Bare Metal instances.

Question 10
Multiple choice

Which two Oracle Cloud Infrastructure (OCI) shapes are a good choice for Spark based workloads?

A.

HPC

B.

VM Standard

C.

BM Standard

D.

GPU

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